Flat roofs, common on extensions, garages and some of Keynsham's more modern properties, respond to storm damage quite differently to a traditional pitched, tiled roof, and this is worth understanding when deciding how urgently a problem needs attention. Where a pitched roof relies on overlapping tiles to shed water, a flat roof depends on a continuous, unbroken waterproof membrane, and any breach in that surface gives water a direct route into the structure below. This is an important distinction for homeowners more familiar with how a tiled roof typically fails.
Splitting felt is one of the most common forms of storm damage on older flat roofs, where years of sun exposure have already made the material more brittle, and a sudden temperature swing or the physical stress of high winds is enough to open up a crack or tear. Once this happens, water can get beneath the felt layer, and because flat roofs do not benefit from gravity carrying water quickly away in the same way a pitched roof does, standing water can sit directly over a split for some time, worsening the leak. Poor drainage or a blocked outlet can make this problem considerably worse during heavy rain, so checking outlets and drains is a sensible part of any post-storm inspection of a flat roof.
Blistering is another sign of trouble, appearing as raised, bubble-like patches where moisture has become trapped beneath the surface layer, sometimes as a result of storm damage and sometimes as a longer-term sign of a felt roof reaching the end of its working life. Debris from high winds, including fallen branches, can also puncture or gouge a flat roof surface directly, creating an obvious and urgent point of failure. Checking a flat roof after a storm is genuinely easy to overlook, since it is rarely visible from the ground the way a pitched roof is, and problems can sit unnoticed for quite some time.
Because flat roofs hold water rather than shedding it quickly, even a relatively small breach can lead to a proportionally larger amount of water sitting on the affected area and working its way in, which is one reason flat roof storm damage in Keynsham is generally treated with a degree of urgency similar to an active leak on a pitched roof.
Repairs range from patching a localised split or puncture to, in cases where the felt has generally reached the end of its life, recommending a more complete recovering of the flat roof area, and an on-site inspection is the only reliable way to judge which is appropriate for a specific Keynsham property.
If your Keynsham flat roof has been affected by recent storms, Brunel Roofing Bristol provides emergency inspection and repair, with a free quote covering both immediate fixes and, where relevant, longer-term options. Comparing both routes side by side helps you choose the option that best suits your circumstances.
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